2023
Emergency Department Visits Following Patellofemoral Arthroplasty
Ratnasamy P, Halperin S, Dhodapkar M, Rubin L, Grauer J. Emergency Department Visits Following Patellofemoral Arthroplasty. JAAOS Global Research And Reviews 2023, 7: e23.00054. PMID: 37947430, PMCID: PMC10635600, DOI: 10.5435/jaaosglobal-d-23-00054.Peer-Reviewed Original ResearchConceptsPatellofemoral arthroplastyED utilizationPFA patientsPostoperative painED visitsPredictive factorsHigher Elixhauser comorbidity indexPerioperative pain managementElixhauser Comorbidity IndexEmergency department utilizationPostoperative metricsComorbidity indexIndependent predictorsPain managementMedicaid insuranceEmergency departmentOrthopedic patientsPayer typePatient carePatientsYounger ageVisitsPainArthroplastyDaysDo Children With Medicaid Insurance Have Increased Revision Rates 5 Years After Posterior Spinal Fusions?
Moore H, Patibandla S, McClung A, Grauer J, Sucato D, Wise C, Johnson M, Rathjen K, McIntosh A, Ramo B, Brooks J. Do Children With Medicaid Insurance Have Increased Revision Rates 5 Years After Posterior Spinal Fusions? Journal Of Pediatric Orthopaedics 2023, 43: 615-619. PMID: 37694695, DOI: 10.1097/bpo.0000000000002504.Peer-Reviewed Original ResearchConceptsPosterior spinal fusionAdolescent idiopathic scoliosisMedicaid insurancePrivate insuranceRevision surgerySpinal fusionInternational ClassificationBaseline medical comorbiditiesKaplan-Meier analysisLog-rank testSegmental spinal instrumentationLong fusion constructsBaseline comorbiditiesIndependent t-testIndex surgeryMedical comorbiditiesPostoperative complicationsCause revisionCohort studyNinth RevisionAIS patientsRevision codesPrimary diagnosisHigh prevalenceMedicaid patientsTotal Knee Arthroplasty: Variables Affecting 90-day Overall Reimbursement
Halperin S, Dhodapkar M, Radford Z, Li M, Rubin L, Grauer J. Total Knee Arthroplasty: Variables Affecting 90-day Overall Reimbursement. The Journal Of Arthroplasty 2023, 38: 2259-2263. PMID: 37279847, DOI: 10.1016/j.arth.2023.05.072.Peer-Reviewed Original ResearchConceptsTotal knee arthroplastyTKA patientsPrimary total knee arthroplastyPostoperative emergency departmentPostoperative adverse eventsRisk of readmissionMultivariable linear regressionPerioperative periodPostoperative eventsAdverse eventsAppropriate patientsKnee osteoarthritisEmergency departmentPatients surgeryKnee arthroplastyOncologic indicationsCost-containment strategiesSurgical proceduresExclusion criteriaPatientsOptimize deliveryOverall reimbursementAdmissionReimbursementGreater increase
2022
Ninety-Day Emergency Department Visits After Ankle Fracture Surgery
Kammien A, Ratnasamy P, Joo P, Grauer J. Ninety-Day Emergency Department Visits After Ankle Fracture Surgery. Journal Of The American Academy Of Orthopaedic Surgeons 2022, 31: e51-e57. PMID: 36548157, DOI: 10.5435/jaaos-d-22-00484.Peer-Reviewed Original ResearchConceptsAnkle fracture surgeryElixhauser comorbidity index scoreComorbidity Index scoreED visitsED utilizationFracture surgeryPostoperative weekRisk factorsSurgical siteIndex scoreIncidence of readmissionEmergency department visitsDay of surgeryMultivariate logistic regressionORIF patientsPatient ageAnkle fracturesDepartment visitsOpen reductionConcomitant fracturesMedicaid insuranceEntire cohortEmergency departmentInternal fixationCare pathway
2021
What Factors Affect Whether Patients Return to the Same Surgeon to Replace the Contralateral Joint? A Study of Over 200,000 Patients
Moore HG, Schneble CA, Kahan JB, Sculco PK, Grauer JN, Rubin LE. What Factors Affect Whether Patients Return to the Same Surgeon to Replace the Contralateral Joint? A Study of Over 200,000 Patients. The Journal Of Arthroplasty 2021, 37: 425-430. PMID: 34871749, DOI: 10.1016/j.arth.2021.11.036.Peer-Reviewed Original ResearchConceptsBilateral total hip arthroplastyTotal knee arthroplastyTotal hip arthroplastyContralateral total hip arthroplastySame surgeonDifferent surgeonsAdverse eventsContralateral jointGreater oddsSurgery-related adverse eventsBilateral total knee arthroplastyNational Provider Identifier numberFirst joint replacementFirst total hip arthroplastyPossible independent predictorsContralateral replacementIndependent predictorsSicker patientsKnee arthroplastyAdministrative databasesHip arthroplastyLower oddsPatientsArthroplastyJoint replacementCenters for Medicare & Medicaid Services' 2018 Removal of Total Knee Arthroplasty From the Inpatient-only List Led to Broad Changes in Hospital Length of Stays
Rankin KA, Freedman IG, Rubin LE, Grauer JN. Centers for Medicare & Medicaid Services' 2018 Removal of Total Knee Arthroplasty From the Inpatient-only List Led to Broad Changes in Hospital Length of Stays. Journal Of The American Academy Of Orthopaedic Surgeons 2021, 29: 1061-1067. PMID: 33960970, DOI: 10.5435/jaaos-d-20-01228.Peer-Reviewed Original ResearchConceptsTotal knee arthroplastyHospital lengthKnee arthroplastyNational Surgical Quality Improvement Program databaseQuality Improvement Program databaseMedicare eligibilityCategorical data comparisonsOverall practice patternsRetrospective cohort studyImprovement Program databaseSame dayRemoval of TKAPearson's chi-squared testChi-squared testMann-Whitney testLOS daysProlonged LOSMost patientsTKA patientsCohort studyMore patientsPractice patternsPatient characterizationProgram databaseActual LOS
2017
Access of Patients With Lumbar Disc Herniations to Spine Surgeons
Anandasivam NS, Wiznia DH, Kim CY, Save AV, Grauer JN, Pelker RR. Access of Patients With Lumbar Disc Herniations to Spine Surgeons. Spine 2017, 42: 1179-1183. PMID: 27902558, DOI: 10.1097/brs.0000000000002005.Peer-Reviewed Original ResearchConceptsLumbar disc herniationMedicaid insuranceSpine surgeonsAppointment success rateDisc herniationInsurance typePatient accessPrivate insuranceMedicaid expansionProspective cohort studyDifferent insurance typesSuccess rateAccess of patientsCohort studyAffordable Care ActBACKGROUND DATAPatientsSpine careLumbar discAcceptance of insuranceReferralMedicaid eligibilitySurgeonsMedicaidCare Act